Spiral pattern for cribbage board



FIG. 1 is top plan view of a spiral pattern for cribbage board according to my new design;

FIG. 2 is a top plan view of a second embodiment of the spiral pattern for cribbage board;

FIG. 3 is a perspective view thereof;

FIG. 4 is a top plan view of a third embodiment of the spiral pattern for cribbage board; and,

FIG. 5 is a perspective view thereof.

The cribbage board is shown in broken lines for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a spiral pattern for cribbage board, as shown and described. 